Stadium: Court 14 Round: 44
| Challenger Traralgon | 2014/11/01 23:00 | John-Patrick Smith v Bradley Klahn | 6-2,4-6,5-7 |
| Challenger Heilbronn Qual | 2017/05/14 09:00 | Bradley Klahn v Sebastian Fanselow | 5-7,6-7 |
| Challenger Heilbronn Qual | 2017/05/13 08:00 | Bernabe Zapata Miralles v Bradley Klahn | 6-7,1-6 |
| Challenger Tallahassee | 2017/04/27 23:20 | Andrea Arnaboldi v Bradley Klahn | 6-2,7-6 |
| Challenger Tallahassee | 2017/04/26 15:00 | Dominik Koepfer v Bradley Klahn | 5-7,1-6 |
| Challenger Tallahassee | 2017/04/24 18:35 | Bradley Klahn v Maximo Gonzalez | 7-6,6-7,6-4 |
| Challenger Sarasota Qual | 2017/04/16 16:40 | Bradley Klahn v Daniel Elahi Galan | 6-7,5-7 |
| Challenger Sarasota Qual | 2017/04/15 15:20 | Bradley Klahn v Mark Oljaca | 6-3,6-3 |
| ATP Houston Qual | 2017/04/09 16:00 | Bradley Klahn v Noah Rubin | 2-6,6-3,6-7 |
| Challenger Heilbronn Qual | 2017/05/14 11:15 | John-Patrick Smith v Filip Krajinovic | 1-6,5-7 |
| Challenger Heilbronn Qual | 2017/05/13 12:30 | Dominik Boehler v John-Patrick Smith | 5-7,5-7 |
| Challenger Tallahassee | 2017/04/26 16:20 | Dennis Novikov v John-Patrick Smith | 6-3,7-5 |
| Challenger Tallahassee | 2017/04/24 23:40 | John-Patrick Smith v Darian King | 6-3,6-4 |
| Challenger Sarasota Qual | 2017/04/17 14:00 | John-Patrick Smith v Joao Pedro Sorgi | 4-6,3-6 |
| Challenger Sarasota Qual | 2017/04/15 14:00 | John-Patrick Smith v Ryan Shane | 6-3,6-2 |
| Challenger Leon | 2017/03/29 17:00 | Yannick Hanfmann v John-Patrick Smith | 6-2,6-2 |
| Challenger Guadalajara | 2017/03/23 20:00 | Jason Jung v John-Patrick Smith | 6-4,7-6 |